Am 06.04.2012 18:44, schrieb Joe Zeff: > On 04/06/2012 09:31 AM, Ed Greshko wrote: >> So, it would seem that this system is going to be accepting incoming mails from the >> internet for at least one domain...... In that case it would be bad advice to simply >> close port 25. > > Not if he uses smtpauth on port 587. please do not advise people about topics you are missing practical knowledge Port 587 does not help you in the case of a MX MX servers always needs Port 25 open but properly configured
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